IDTQS3VH245Q Integrated Device Technology, Inc., IDTQS3VH245Q Datasheet

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IDTQS3VH245Q

Manufacturer Part Number
IDTQS3VH245Q
Description
QUICKSWITCH PRODUCTS 2.5V / 3.3V 8-BIT HIGH BANDWIDTH BUS SWITCH
Manufacturer
Integrated Device Technology, Inc.
Datasheet
FEATURES:
• N channel FET switches with no parasitic diode to V
• 5V tolerant I/Os
• Low R
• Flat R
• Rail-to-rail switching 0 - 5V
• Bidirectional dataflow with near-zero delay: no added ground
• Excellent R
• V
• High bandwidth - up to 500MHz
• LVTTL-compatible control Inputs
• Undershoot Clamp Diodes on all switch and control Inputs
• Low I/O capacitance, 4pF typical
• Available in QSOP, SOIC, and TSSOP packages
APPLICATIONS:
• Hot-swapping
• 10/100 Base-T, Ethernet LAN switch
• Low distortion analog switch
• Replaces mechanical relay
• ATM 25/155 switching
• Bus switching and isolation
FUNCTIONAL BLOCK DIAGRAM
INDUSTRIAL TEMPERATURE RANGE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
IDTQS3VH245
2.5V / 3.3V 8-BIT HIGH BANDWIDTH BUS SWITCH
c
– Isolation under power-off conditions
– No DC path to V
– 5V tolerant in OFF and ON state
bounce
CC
2003 Integrated Device Technology, Inc.
operation: 2.3V to 3.6V
ON
ON
characteristics over operating range
- 4Ω Ω Ω Ω Ω typical
ON
matching between channels
CC
or GND
O E
QUICKSWITCH
2.5V / 3.3V 8-BIT HIGH
BANDWIDTH BUS SWITCH
CC
A
B
0
0
A
B
1
1
1
DESCRIPTION:
The QS3VH245 has very low ON resistance, resulting in under 250ps
propagation delay through the switch. The switches can be turned ON under
the control of the LVTTL-compatible Output Enable signal for bidirectional data
flow with no added delay or ground bounce. In the ON state, the switches can
pass signals up to 5V. In the OFF state, the switches offer very high impedence
at the terminals.
over-voltage tolerance makes the QS3VH245 ideal forhigh performance
communications applications.
®
The QS3VH245 HotSwitch 8-bit bus switch is a high bandwidth bus switch.
The combination of near-zero propagation delay, high OFF impedance, and
The QS3VH245 is characterized for operation from -40°C to +85°C.
A
B
PRODUCTS
2
2
A
B
3
3
A
B
4
4
A
B
5
5
INDUSTRIAL TEMPERATURE RANGE
A
B
6
6
A
B
7
7
IDTQS3VH245
MARCH 2003
DSC-5775/6

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IDTQS3VH245Q Summary of contents

Page 1

... Low distortion analog switch • Replaces mechanical relay • ATM 25/155 switching • Bus switching and isolation FUNCTIONAL BLOCK DIAGRAM O E The IDT logo is a registered trademark of Integrated Device Technology, Inc. INDUSTRIAL TEMPERATURE RANGE c 2003 Integrated Device Technology, Inc. ® QUICKSWITCH PRODUCTS 2 ...

Page 2

IDTQS3VH245 2.5V / 3.3V 8-BIT HIGH BANDWIDTH BUS SWITCH PIN CONFIGURATION GND ...

Page 3

IDTQS3VH245 2.5V / 3.3V 8-BIT HIGH BANDWIDTH BUS SWITCH DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE Following Conditions Apply Unless Otherwise Specified: Industrial –40°C to +85° 3.3V ±0. Symbol Parameter V Input HIGH Voltage IH ...

Page 4

IDTQS3VH245 2.5V / 3.3V 8-BIT HIGH BANDWIDTH BUS SWITCH POWER SUPPLY CHARACTERISTICS Symbol Parameter I Quiescent Power Supply Current CCQ ∆I Power Supply Current per Input HIGH (2, Dynamic Power Supply Current (4) CCD NOTES: 1. For conditions ...

Page 5

IDTQS3VH245 2.5V / 3.3V 8-BIT HIGH BANDWIDTH BUS SWITCH SWITCHING CHARACTERISTICS OVER OPERATING RANGE T = -40°C to +85°C A Symbol Parameter (2,3) t Data Propagation Delay PLH t Ax to/from Bx PHL t Switch Turn-On Delay PZL t OE ...

Page 6

IDTQS3VH245 2.5V / 3.3V 8-BIT HIGH BANDWIDTH BUS SWITCH SOME APPLICATIONS FOR HOTSWITCH PRODUCTS 0 to +5V Vcc = 3.3V OE LOGIC Z = 100 SID E 4.5V PP PLUGGABLE CAR D/ LIVE SYSTEM CARD I/O CARD I/O NFET +6.5V ...

Page 7

IDTQS3VH245 2.5V / 3.3V 8-BIT HIGH BANDWIDTH BUS SWITCH TEST CIRCUITS AND WAVEFORMS TEST CONDITIONS Symbol V = 3.3V ± 0. LOAD 1 300 LZ V 300 HZ C ...

Page 8

IDTQS3VH245 2.5V / 3.3V 8-BIT HIGH BANDWIDTH BUS SWITCH ORDERING INFORMATION IDTQS XXXXX XX Package Device Type DATA SHEET DOCUMENT HISTORY 8/6/2002 Updated according to PCN Logic-0206-11 3/3/2003 Changed Icc limits CORPORATE HEADQUARTERS 2975 Stender Way Santa Clara, CA 95054 ...

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